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Colorbook
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Color Information

Black

Complete color analysis with professional format conversions, accessibility metrics, and harmonious color combinations for your design projects.

HEX Format
#AC3031
RGB Values
172, 48, 49
HSL Values
360°, 56%, 43%
CMYK Values
0%, 72%, 72%, 33%

Color Variations & Tints

  • #D05858

    Lightness: 58%

  • #CA4444

    Lightness: 53%

  • #BF3636

    Lightness: 48%

  • #AC3031

    Lightness: 43%

    Current color

  • #972B2B

    Lightness: 38%

  • #832525

    Lightness: 33%

  • #6F1F1F

    Lightness: 28%

Accessibility

White Text
6.5
PASS
Black Text
3.2
FAIL
WCAG AA
PASS
WCAG AAA
FAIL

Accessibility Guide

Contrast Ratios
Higher values (4.5+) ensure better readability for users with visual impairments.
WCAG AA Standard
Minimum requirement: 4.5:1 contrast for normal text, 3:1 for large text.
WCAG AAA Standard
Enhanced level: 7:1 contrast for normal text, 4.5:1 for large text.

Color Harmonies

  • Complementary

    Colors opposite on the color wheel, creating high contrast

  • Triadic

    Three evenly spaced colors forming a triangle on the color wheel

  • Analogous

    Adjacent colors on the color wheel, creating harmony and unity

Be picky and fine tune your color: colors very near to #AC3031

Systematic progression of extremely similar colors. Each color represents a precise step in lightness variation.

Current: #AC3031

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